• If Black Swan wins prizes for best costume design, as they are expected to, Rodarte won’t get any credit. Since the Mulleavy sisters didn’t negotiate credits in their contract for the movie, the film’s main costume designer, Amy Westcott, will be awarded. [Fashionista]

• Karl Lagerfeld, who designed Diet Coke bottles distributed in France last year, is designing three more aluminum bottles for the company, which will be available in Europe this April. [WWD]

• While we’re on the subject, Diet Pepsi just released some new “skinny” cans, supposedly in hopes that it will appeal to stylish folks. [Fashionista]